1. if mother (buy) all the ingredients, she (bake) our favourite cake for her birthday yesterday. 2. if dan (know) english, he (speak) it now. 3. if marry (to be more confident) at the test, she (get) a better mark at math yesterday. 4. if it (not rain) tomorrow, we (go) swimming. 5. if i (to be) you, i (tell) the truth now.